|Highest elevation||275 m|
||227 people / km²|
Tirgith is a smallest island of the Trigunian Islands.
The climate is mild with an abundance of marine sediments. Winter snow, cool, but usually without severe frosts. Summer is short and warm, with plenty of rainfall. Even in June, sometimes freezing. The heat is very rare, and no more than a few days.
Relief of the island
Most part of the island occupies the Tirgith Plain. The southern part of the island is occupied by numerous small hills and cliffs.